$(function() {
    
    //demonic poll
    $('form#poll #vote').prepend('<input type="submit" class="submit" value="Vote" />');
    $('form#poll .bottom').html('<a href="#" id="voteagain">Vote Again</a> <a href="#" id="seeresults">See Results</a> <a href="#" id="olderpolls">Older Polls</a>');
    
    
    $('form#poll').css('display','block');
    $('form#poll').submit( function () {
        $('form#poll .validation').remove();
        if ($('form#poll .answer:checked').length < 1) {
            $('#vote').prepend('<div class="validation error">Choose an answer.</div>');
            return false;
        } else {
            $.post(
                "/ajax/poll.php",
                {answer: $('form#poll .answer:checked').attr('id'), pollid: $('form#poll #pollid').val()},
                function(data){
                    if (data.substr(0, 2) == '1_') { //insert success
                        $('#answerwrapper').hide();
                        $('#displayanswers').html(data.substr(2));
                        $('#displayanswers').show();
                        $('#seeresults').hide();
                        $('#voteagain').html('Vote Again');
                        $('#voteagain').show();
                        return false;
                    } else { //display error message
                        $('#vote').prepend('<div class="validation error">' + data + '</div>');
                        return false;
                    }
                }
            );
        }
        return false; 
    });
    $('#voteagain').click( function () {
        $('form#poll .validation').remove();
        $('#evenolderpolls').remove();
        $('#voteagain').hide();
        $('#displayanswers').hide();
        $('#displayoldpolls').hide();
        $('#displaynewpoll').show();
        $('#answerwrapper').show();
        $('#seeresults').show();
        $('#olderpolls').show();
        $('html, body').animate({scrollTop: $('#poll').offset().top}, 1000); //scroll to top of polls
        return false;
    });
    $('#seeresults').click( function () {
        $.post(
            "/ajax/poll.php",
            {pollid: $('form#poll #pollid').val()},
            function(data){
                $('form#poll .validation').remove();
                $('#answerwrapper').hide();
                $('#displayanswers').html(data);
                $('#displayanswers').show();
                $('#seeresults').hide();
                $('#voteagain').html('Go Back and Vote');
                $('#voteagain').show();
                $('html, body').animate({scrollTop: $('#poll').offset().top}, 1000); //scroll to top of polls
                return false;
            }
        );
        return false;
    });
    $('#olderpolls').click( function () {
        $.post(
            "/ajax/poll.php",
            {oldpollstart: 0, oldpollcount: 2, currentpollid: $('form#poll #pollid').val()},
            function(data){
                $('form#poll .validation').remove();
                $('#displaynewpoll').hide();
                $('#displayanswers').hide();
                $('#seeresults').hide();
                $('#olderpolls').hide();
                $('displaynewpoll').hide();
                $('#displayoldpolls').html(data);
                $('#displayoldpolls').show();
                $('#voteagain').html('Current Poll');
                $('#voteagain').show();
                $('html, body').animate({scrollTop: $('#poll').offset().top}, 1000); //scroll to top of polls
                evenolderpolls();
                return false;
            }
        );
        return false;
    });
    
    //CAPTCHA explanation
    $('form #captcha #captchaWhatIs div').css('display','none');
    $('#captchaWhatIs').prepend('<a href="#" id="captchaWhatIsLink">What is this?</a>');
    $('#captchaWhatIsLink').click(function () { this.blur(); $("#captchaWhatIs div").toggle(); return false; });
    
    //animation for scroll back to top
    $('.backtotop a').click( function () {
        //borrowed ideas from http://www.learningjquery.com/2007/10/improved-animated-scrolling-script-for-same-page-links
        $('html, body').animate({scrollTop: $(this.hash).offset().top}, 2000);
        return false;
    });
    
    //check for captcha cookie, if true, prepopulate captcha for user
    if ($.cookie('v') == '1') {
        $('#captchaRow').hide();
        var code = '';
        $('#captchaRow .outer').each(function() {
            code += $(this).attr('title');
        });
        $('#usercaptcha').val(code);
    } else {
        $('#usercaptcha').val('');
    }
    
});

function evenolderpolls() { //demonic poll specific function for displaying older polls
    if ($('#oldpollstart').html() != null) { //if there's a poll count passed, then there must be even older polls to be displayed
        $('#voteagain').after(' <a href="#" id="evenolderpolls">Even Older Polls</a>');
        $('#evenolderpolls').click( function () {
            $.post(
                "/ajax/poll.php",
                {oldpollstart: $('#oldpollstart').html(), oldpollcount: 2, currentpollid: $('form#poll #pollid').val()},
                function(data){
                    $('form#poll .validation').remove();
                    $('#evenolderpolls').remove();
                    $('#oldpollstart').remove()
                    $('#displaynewpoll').hide();
                    $('#displayanswers').hide();
                    $('#seeresults').hide();
                    $('#olderpolls').hide();
                    $('displaynewpoll').hide();
                    $('#displayoldpolls').html(data);
                    $('#displayoldpolls').show();
                    $('#voteagain').html('Current Poll');
                    $('#voteagain').show();
                    $('html, body').animate({scrollTop: $('#poll').offset().top}, 1000); //scroll to top of polls
                    evenolderpolls();
                    return false;
                });
            return false;
        });
    }
}

//Son of Suckerfish Dropdowns: http://www.htmldog.com/articles/suckerfish/dropdowns/
sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

//based on Get URL parameters, http://www.netlobo.com/url_query_string_javascript.html
function gup(name,anchor){
  name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  if (anchor) { //grab the parameter with any anchor value
    var regexS = "[\\?&]"+name+"=([^&]*)";
  } else { //just grab the parameter
    var regexS = "[\\?&]"+name+"=([^&#]*)";
  }
  var regex = new RegExp( regexS );
  var results = regex.exec( window.location.href );
  if( results == null )
    return "";
  else
    return results[1];
}

/* Adds zeros infront of value */
function addZeros(value, len) {
    value = "" + value;

    if (value.length < len) {
        for (var i=0; i<(len-value.length); i++)
            value = "0" + value;
    }

    return value;
}

//based on the TinyMCE getDateTime function
function getDateTime(d, fmt) {
    var inserttime_months_long = new Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December");
    var inserttime_months_short = new Array("Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec");
    var inserttime_day_long = new Array("Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday");
    var inserttime_day_short = new Array("Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun");
    
    fmt = fmt.replace("%D", "%m/%d/%y");
    fmt = fmt.replace("%r", "%I:%M:%S %p");
    fmt = fmt.replace("%Y", "" + d.getFullYear());
    fmt = fmt.replace("%y", "" + d.getYear());
    fmt = fmt.replace("%m", addZeros(d.getMonth()+1, 2));
    fmt = fmt.replace("%d", addZeros(d.getDate(), 2));
    fmt = fmt.replace("%H", "" + addZeros(d.getHours(), 2));
    fmt = fmt.replace("%M", "" + addZeros(d.getMinutes(), 2));
    fmt = fmt.replace("%S", "" + addZeros(d.getSeconds(), 2));
    fmt = fmt.replace("%I", "" + ((d.getHours() + 11) % 12 + 1));
    fmt = fmt.replace("%p", "" + (d.getHours() < 12 ? "am" : "pm"));
    fmt = fmt.replace("%P", "" + (d.getHours() < 12 ? "AM" : "PM"));
    fmt = fmt.replace("%B", "" + inserttime_months_long[d.getMonth()]);
    fmt = fmt.replace("%b", "" + inserttime_months_short[d.getMonth()]);
    fmt = fmt.replace("%A", "" + inserttime_day_long[d.getDay()]);
    fmt = fmt.replace("%a", "" + inserttime_day_short[d.getDay()]);
    fmt = fmt.replace("%%", "%");

    return fmt;
}

/****  PHP equivalent JS functions by http://kevin.vanzonneveld.net ****/
function nl2br (str) {
    return (str + '').replace(/([^>]?)\n/g, '$1<br />');
}
function addslashes( str ) {
    return (str+'').replace(/([\\"'])/g, "\\$1").replace(/\0/g, "\\0");
}
function strip_tags(str, allowed_tags) {
    var key = '', tag = '', allowed = false;
    var matches = allowed_array = [];
    var allowed_keys = {};
    var replacer = function(search, replace, str) {
        var tmp_arr = [];
        tmp_arr = str.split(search);
        return tmp_arr.join(replace);
    };
    // Build allowes tags associative array
    if (allowed_tags) {
        allowed_tags  = allowed_tags.replace(/[^a-zA-Z,]+/g, '');;
        allowed_array = allowed_tags.split(',');
    }
    str += '';
    // Match tags
    matches = str.match(/(<\/?[^>]+>)/gi);
    // Go through all HTML tags
    for (key in matches) {
        if (isNaN(key)) {
            // IE7 Hack
            continue;
        }
        // Save HTML tag
        html = matches[key].toString();
        // Is tag not in allowed list? Remove from str!
        allowed = false;
        // Go through all allowed tags
        for (k in allowed_array) {
            // Init
            allowed_tag = allowed_array[k];
            i = -1;
            if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+'>');}
            if (i != 0) { i = html.toLowerCase().indexOf('<'+allowed_tag+' ');}
            if (i != 0) { i = html.toLowerCase().indexOf('</'+allowed_tag)   ;}
            // Determine
            if (i == 0) {
                allowed = true;
                break;
            }
        }
        if (!allowed) {
            str = replacer(html, "", str); // Custom replace. No regexing
        }
    }
    return str;
}
function get_html_translation_table(table, quote_style) {
    var entities = {}, histogram = {}, decimal = 0, symbol = '';
    var constMappingTable = {}, constMappingQuoteStyle = {};
    var useTable = {}, useQuoteStyle = {};
    useTable      = (table ? table.toUpperCase() : 'HTML_SPECIALCHARS');
    useQuoteStyle = (quote_style ? quote_style.toUpperCase() : 'ENT_COMPAT');
    // Translate arguments
    constMappingTable[0]      = 'HTML_SPECIALCHARS';
    constMappingTable[1]      = 'HTML_ENTITIES';
    constMappingQuoteStyle[0] = 'ENT_NOQUOTES';
    constMappingQuoteStyle[2] = 'ENT_COMPAT';
    constMappingQuoteStyle[3] = 'ENT_QUOTES';
    // Map numbers to strings for compatibilty with PHP constants
    if (!isNaN(useTable)) {
        useTable = constMappingTable[useTable];
    }
    if (!isNaN(useQuoteStyle)) {
        useQuoteStyle = constMappingQuoteStyle[useQuoteStyle];
    }
    if (useTable == 'HTML_SPECIALCHARS') {
        // ascii decimals for better compatibility
        entities['60'] = '&lt;';
        entities['62'] = '&gt;';
        entities['38'] = '&amp;';
    } else if (useTable == 'HTML_ENTITIES') {
        // ascii decimals for better compatibility
      entities['38'] = '&amp;';
      entities['60'] = '&lt;';
      entities['62'] = '&gt;';
      entities['160'] = '&nbsp;';
      entities['161'] = '&iexcl;';
      entities['162'] = '&cent;';
      entities['163'] = '&pound;';
      entities['164'] = '&curren;';
      entities['165'] = '&yen;';
      entities['166'] = '&brvbar;';
      entities['167'] = '&sect;';
      entities['168'] = '&uml;';
      entities['169'] = '&copy;';
      entities['170'] = '&ordf;';
      entities['171'] = '&laquo;';
      entities['172'] = '&not;';
      entities['173'] = '&shy;';
      entities['174'] = '&reg;';
      entities['175'] = '&macr;';
      entities['176'] = '&deg;';
      entities['177'] = '&plusmn;';
      entities['178'] = '&sup2;';
      entities['179'] = '&sup3;';
      entities['180'] = '&acute;';
      entities['181'] = '&micro;';
      entities['182'] = '&para;';
      entities['183'] = '&middot;';
      entities['184'] = '&cedil;';
      entities['185'] = '&sup1;';
      entities['186'] = '&ordm;';
      entities['187'] = '&raquo;';
      entities['188'] = '&frac14;';
      entities['189'] = '&frac12;';
      entities['190'] = '&frac34;';
      entities['191'] = '&iquest;';
      entities['192'] = '&Agrave;';
      entities['193'] = '&Aacute;';
      entities['194'] = '&Acirc;';
      entities['195'] = '&Atilde;';
      entities['196'] = '&Auml;';
      entities['197'] = '&Aring;';
      entities['198'] = '&AElig;';
      entities['199'] = '&Ccedil;';
      entities['200'] = '&Egrave;';
      entities['201'] = '&Eacute;';
      entities['202'] = '&Ecirc;';
      entities['203'] = '&Euml;';
      entities['204'] = '&Igrave;';
      entities['205'] = '&Iacute;';
      entities['206'] = '&Icirc;';
      entities['207'] = '&Iuml;';
      entities['208'] = '&ETH;';
      entities['209'] = '&Ntilde;';
      entities['210'] = '&Ograve;';
      entities['211'] = '&Oacute;';
      entities['212'] = '&Ocirc;';
      entities['213'] = '&Otilde;';
      entities['214'] = '&Ouml;';
      entities['215'] = '&times;';
      entities['216'] = '&Oslash;';
      entities['217'] = '&Ugrave;';
      entities['218'] = '&Uacute;';
      entities['219'] = '&Ucirc;';
      entities['220'] = '&Uuml;';
      entities['221'] = '&Yacute;';
      entities['222'] = '&THORN;';
      entities['223'] = '&szlig;';
      entities['224'] = '&agrave;';
      entities['225'] = '&aacute;';
      entities['226'] = '&acirc;';
      entities['227'] = '&atilde;';
      entities['228'] = '&auml;';
      entities['229'] = '&aring;';
      entities['230'] = '&aelig;';
      entities['231'] = '&ccedil;';
      entities['232'] = '&egrave;';
      entities['233'] = '&eacute;';
      entities['234'] = '&ecirc;';
      entities['235'] = '&euml;';
      entities['236'] = '&igrave;';
      entities['237'] = '&iacute;';
      entities['238'] = '&icirc;';
      entities['239'] = '&iuml;';
      entities['240'] = '&eth;';
      entities['241'] = '&ntilde;';
      entities['242'] = '&ograve;';
      entities['243'] = '&oacute;';
      entities['244'] = '&ocirc;';
      entities['245'] = '&otilde;';
      entities['246'] = '&ouml;';
      entities['247'] = '&divide;';
      entities['248'] = '&oslash;';
      entities['249'] = '&ugrave;';
      entities['250'] = '&uacute;';
      entities['251'] = '&ucirc;';
      entities['252'] = '&uuml;';
      entities['253'] = '&yacute;';
      entities['254'] = '&thorn;';
      entities['255'] = '&yuml;';
    } else {
        throw Error("Table: "+useTable+' not supported');
        return false;
    }		
    if (useQuoteStyle != 'ENT_NOQUOTES') {
        entities['34'] = '&quot;';
    }
    if (useQuoteStyle == 'ENT_QUOTES') {
        entities['39'] = '&#039;';
    }
    // ascii decimals to real symbols
    for (decimal in entities) {
        symbol = String.fromCharCode(decimal)
        histogram[symbol] = entities[decimal];
    }
    return histogram;
}
function htmlentities (string, quote_style) {
    var histogram = {}, symbol = '', tmp_str = '', i = 0;
    tmp_str = string.toString();
    if (false === (histogram = get_html_translation_table('HTML_ENTITIES', quote_style))) {
        return false;
    }
    for (symbol in histogram) {
        entity = histogram[symbol];
        tmp_str = tmp_str.split(symbol).join(entity);
    }
    return tmp_str;
}
function str_replace(search, replace, subject) {
    var f = search, r = replace, s = subject;
    var ra = r instanceof Array, sa = s instanceof Array, f = [].concat(f), r = [].concat(r), i = (s = [].concat(s)).length;
    while (j = 0, i--) {
        if (s[i]) {
            while (s[i] = s[i].split(f[j]).join(ra ? r[j] || "" : r[0]), ++j in f){};
        }
    };
    return sa ? s : s[0];
}